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Isgur-Wise function for Λb→Λc in the BS approach
https://hiroshima.repo.nii.ac.jp/records/2008333
https://hiroshima.repo.nii.ac.jp/records/2008333900717fa-f59e-45f5-a85f-51d92d4f61f7
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
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| Item type | デフォルトアイテムタイプ_(フル)(1) | |||||||||
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| 公開日 | 2023-03-18 | |||||||||
| タイトル | ||||||||||
| タイトル | Isgur-Wise function for Λb→Λc in the BS approach | |||||||||
| 言語 | en | |||||||||
| 作成者 |
Guo, X.-H.
× Guo, X.-H.
× Muta, Taizo
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| アクセス権 | ||||||||||
| アクセス権 | open access | |||||||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||
| 権利情報 | ||||||||||
| 権利情報 | Copyright (c) 1996 The American Physical Society | |||||||||
| 主題 | ||||||||||
| 主題Scheme | NDC | |||||||||
| 主題 | 440 | |||||||||
| 内容記述 | ||||||||||
| 内容記述 | In the heavy quark limit, the heavy baryon ΛQ (Q=b or c) can be regarded as composed of a heavy quark and a scalar light diquark which has good spin and flavor quantum numbers. Based on this picture we establish the Bethe-Salpeter (BS) equation for ΛQ in the leading order of 1/mQ expansion. With the kernel containing both the scalar confinement and one-gluon-exchange terms we solve the BS equation numerically. The Isgur-Wise function for Λb→Λc is obtained numerically from our model. A comparison with other model calculations is also presented. It seems that the Isgur-Wise function for Λb→Λc drops faster than that for B→D. The differential and total decay widths for Λb→Λclν̅ are given in the limit mb,c→∞. | |||||||||
| 言語 | en | |||||||||
| 出版者 | ||||||||||
| 出版者 | American Physical Society | |||||||||
| 言語 | ||||||||||
| 言語 | eng | |||||||||
| 資源タイプ | ||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||
| 資源タイプ | journal article | |||||||||
| 出版タイプ | ||||||||||
| 出版タイプ | VoR | |||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||
| 関連情報 | ||||||||||
| 関連タイプ | isVersionOf | |||||||||
| 識別子タイプ | DOI | |||||||||
| 関連識別子 | http://dx.doi.org/10.1103/PhysRevD.54.4629 | |||||||||
| 収録物識別子 | ||||||||||
| 収録物識別子タイプ | ISSN | |||||||||
| 収録物識別子 | 1550-7998 | |||||||||
| 開始ページ | ||||||||||
| 開始ページ | 4629 | |||||||||
| 書誌情報 |
Physical Review D Physical Review D 巻 54, 号 7, p. 4629-4634, 発行日 1996-10-01 |
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| 旧ID | 14132 | |||||||||